Réamhaisnéis limistear na farraige
Forecast valid from: 11:00, Tuesday 20 October 2026 until 12:00, Wednesday 21 October 2026
Small Craft Warning
1. South to southeast winds will reach force 6 or higher today (Tuesday) on Irish coasts from Roches Point to Slyne Head to Malin Head.
2. Cyclonic variable winds, becoming northwesterly, will reach force 6 or higher this afternoon (Tuesday) on all Irish coasts.
Gale Warning
1. Northwesterly winds will reach gale force 8 this evening (Tuesday) on Irish coastal waters from Mizen Head to Loop Head to Erris Head.
2. Northwesterly winds will reach gale force 8 tonight (Tuesday) on Irish coastal waters from Belfast Lough to Carlingford Lough to Carnsore Point and on the Irish Sea.
Meteorological Situation at 09:00 UTC
A fresh south to southeast airflow over Ireland is generated by a depression of 988hPa west of Iceland. An associated frontal trough approaches from the west and will move northeastwards across the country today and overnight.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Mizen Head to Slyne Head to Bloody Foreland
Wind: South to southeast force 6 or 7. Veering northwesterly south of Erris Head and increasing force 7 or gale force 8 imminent, possibly reaching strong gale force 9. Soon becoming northwesterly force 7 or gale force 8. Later decreasing west to northwest force 5 or 7.
Weather: Cloudy with outbreaks of rain. Clearing to showers later.
Visibility: Decreasing moderate or poor in precipitation.
Forecast for Bloody Foreland to Howth Head to Carnsore Point and for the Irish Sea
Wind: South to southwest force 3 to 5, slackest in the Irish Sea. Soon increasing force 5 or 6 south of Howth Head. Later increasing northwesterly force 6 to gale force 8.
Weather: Fair to cloudy. Becoming cloudy with outbreaks of rain soon, heavy at times.
Visibility: Decreasing moderate or poor in precipitation.
Forecast for Carnsore Point to Roches Point to Mizen Head
Wind: South to southeast force 4 or 5. Increasing southwesterly force 5 or 6 imminent. Soon increasing west to northwest force 6 or 7 and occasionally touching gale force 8. Decreasing force 5 to 6 by the end of the period.
Weather: Cloudy with outbreaks of rain imminent. Clearing to showers soon.
Visibility: Decreasing moderate or poor in precipitation.
Outlook for a further 24 hours until 12:00, Thursday 22 October 2026
Strong to near gale force westerly winds, occasionally reaching gale force, in eastern coastal waters. Winds will gradually decrease moderate to strong westerly in all areas. Weather: Rain on northeast coasts will clear during Wednesday afternoon. Scattered showers will feed in from the west, heaviest in the west and south.
Forecast issued at: 11:00, Tuesday 20 October 2026
All times are local unless specified
